[High Quality Materials]This ceiling fan filter is made of high quality charcoal fiber cotton and adhesive, experience a fresh and healthy environment; the air purification function provides a and more comfortable living atmosphere whether it's in your home, office or other closed environments. [ & Slim]Despite the construction of our ceiling fan filters, their filtration efficiency is not compromised in any way; thanks to its activated carbon fiber cotton material that enhances its ability to screen out pollutants; this ensures that you , clean and safe! [High Efficiency Work]The ceiling fan filters for blades utilizes the airflow created by the ceiling fan during operation to absorb harmful particles in the air without interfering with the operation of the ceiling fan, and it is effective in absorbing a wide range of odors and particles. [Customizable Fan Blade Size of Filter]The standard size of our ceiling fan filter can be easily trimmed and customized according to your needs; this allows the ceiling fan air filter to be mounted on your fan blade and proves its universal compatibility. [Easy Installation]Our ceiling fan filter is easy to install, just peel off the adhesive backing and on the blades of the ceiling fan. NOTE: Please make sure your ceiling fan is clean and free of dust and dirt before installation.Each filter lasts for up to three months ,and the time will depend on how much unwanted air particles are in your home. Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance Colour:Black Material:Activated carbon cotton Size:A: Dust Oval 25x9x0.8cm Package Contents: 10 x Ceiling Fan Filters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.